I would like to try to obtain a bargain on a hotel in downtown Miami on Priceline; however, I note that if your bid is accepted there is only a guarantee on a room which would accommodate two people. I'll be travelling with my wife and my daughter, so would need a room with a minimum of at least two double beds. If I submit a bid and the hotel will only give me a room with one king-size bed I'd be in a real bind! Has anyone had a problem in this kind of situation?

Try Hotwire...... you can get a room that sleeps up to 4 people. However, unlike Priceline, Hotwire gives you a set price (which is generally lower than the regular price thru the hotel). Once you commit to that price, they tell you which hotel you won.

As much as I love Miami (I used to live there), I would not be comfortable getting a random hotel downtown. There are some great hotels in good neighborhoods, but parts of downtown, like many big cities, are pretty rough. Keep in mind that Miami is not just a vacation city. It has all the pluses and minuses of any big US city.
Marty